Measurements:
°C
°F
Nantong
72°F
S 17 mph
Feels like: 72°F
Precip: 12%
World Resorts China Nantong Weather

Nantong Sea Water Temperature

Current Sea Water Temperature:
+75.4°F
Maximum Sea Water Temperature in October: 86.8°F
Minimum Sea Water Temperature in October: 66.6°F
Average water temperature in October: 74.8°F

Sea Water Temperature for the Last 10 Days:

October 24 75.4°F October 19 77.4°F
October 23 76.0°F October 18 77.4°F
October 22 75.8°F October 17 76.2°F
October 21 76.2°F October 16 77.0°F
October 20 76.8°F October 15 77.4°F

When is the Warmest Sea for Nantong?

According to our data for the last three years for Nantong the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Nantong was 89.0°F. The maximum and minimum values were 85.8°F and 92.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Nantong was 86.2°F. The maximum and minimum values were 81.6°F and 91.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Nantong was 84.3°F. The maximum and minimum values were 80.0°F and 89.0°F respectively.

Best Time to Visit Nantong
The most sunny months:
December 18 days
January 16 days
October 16 days
The most warm months:
July 92.8 °F
August 92.7 °F
June 86.3 °F
Warmest sea temperature:
August 88.5 °F
July 85.6 °F
September 83.9 °F
The most cold months:
January 46.1 °F
February 48.5 °F
December 50.1 °F
The most rainy months:
August 8 days
July 8 days
June 6 days
The most windy months:
May 9 mph
March 9 mph
April 9 mph

Nantong on the Weather Map

China Resorts:
NAME
F°
Beidaihe +58
Beijing +56
Dadunhai +86
Dalian +68
Guangzhou +94
Hainan +90
Hong Kong +86
Macau +86
Quingdao +70
Sanya +86
Shanghai +72
Shenzhen +88
Taipei +78
Weihai +64
Yalong Bay +86
24 Hours Weather Forecast
Nantong
Local time: 14:22
25 oct, sunday
1500 72°F
S
17 mph
1800 66°F
S
13 mph
2100 64°F
S
11 mph
26 oct, monday
0000 64°F
S
9 mph
0300 62°F
S
7 mph
0600 60°F
SE
7 mph
0900 70°F
S
11 mph
1200 74°F
S
12 mph